[xen staging] build,arm: move LDFLAGS change to arch.mk

[patchbot@xxxxxxx]

commit aa44f3c0a697cc387f79958d73e21594a9059cf6
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Tue Oct 12 11:50:47 2021 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Oct 12 11:50:47 2021 +0200

    build,arm: move LDFLAGS change to arch.mk
    
    Changes to XEN_LDFLAGS may or may not apply to targets in for example
    "common/" depending on whether one runs `make` or `make common/`.
    
    But arch.mk is loaded before doing any build, so changes to LDFLAGS
    there mean that the value of XEN_LDFLAGS won't depends on the initial
    target.
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
---
 xen/arch/arm/Makefile | 8 --------
 xen/arch/arm/arch.mk  | 8 ++++++++
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/xen/arch/arm/Makefile b/xen/arch/arm/Makefile
index 44d7cc81fa..7dd3ee981a 100644
--- a/xen/arch/arm/Makefile
+++ b/xen/arch/arm/Makefile
@@ -103,14 +103,6 @@ prelink.o: $(ALL_OBJS) $(ALL_LIBS) FORCE
        $(call if_changed,ld)
 endif
 
-ifeq ($(CONFIG_ARM64_ERRATUM_843419),y)
-    ifeq ($(call ld-option, --fix-cortex-a53-843419),n)
-        $(warning ld does not support --fix-cortex-a53-843419; xen may be 
susceptible to erratum)
-    else
-        XEN_LDFLAGS += --fix-cortex-a53-843419
-    endif
-endif
-
 targets += prelink.o
 
 $(TARGET)-syms: prelink.o xen.lds
diff --git a/xen/arch/arm/arch.mk b/xen/arch/arm/arch.mk
index 11caec86ba..6a29820594 100644
--- a/xen/arch/arm/arch.mk
+++ b/xen/arch/arm/arch.mk
@@ -17,3 +17,11 @@ $(call 
cc-option-add,CFLAGS-$(CONFIG_ARM_64),CC,-mno-outline-atomics)
 ifneq ($(filter command line environment,$(origin CONFIG_EARLY_PRINTK)),)
     $(error You must use 'make menuconfig' to enable/disable early printk now)
 endif
+
+ifeq ($(CONFIG_ARM64_ERRATUM_843419),y)
+    ifeq ($(call ld-option, --fix-cortex-a53-843419),n)
+        $(warning ld does not support --fix-cortex-a53-843419; xen may be 
susceptible to erratum)
+    else
+        LDFLAGS += --fix-cortex-a53-843419
+    endif
+endif
--
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